Related papers: Detector Considerations for a HAWC Southern Observ…

New gamma/hadron separation parameters for a neural network for HAWC

The High-Altitude Water Cherenkov experiment (HAWC) observatory is located 4100 meters above sea level. HAWC is able to detect secondary particles from extensive air showers (EAS) initiated in the interaction of a primary particle (either a…

Instrumentation and Methods for Astrophysics · Physics 2019-08-13 E. Bourbeau , T. Capistrán , I. Torres , E. Moreno

STACEX: RPC-based detector for a multi-messenger observatory in the Southern Hemisphere

Recent findings by the LHAASO experiment are opening a new window, that of the PeV sky, to the observation of the electromagnetic spectrum. Several astronomical objects emitting gamma-rays at energies well above 100 TeV have been observed…

High Energy Astrophysical Phenomena · Physics 2021-09-20 Rodriguez-Fernandez Gonzalo , Bigongiari Ciro , Bulgarelli Andrea , Camarri Paolo , Cardillo Martina , Di Sciascio Giuseppe , Fioretti Valentina , Romani Marco , Piano Giovanni , Santonico Rinaldo , Tavani Marco

Multiple Galactic Sources with Emission Above 56 TeV Detected by HAWC

We present the first catalog of gamma-ray sources emitting above 56 and 100 TeV with data from the High Altitude Water Cherenkov (HAWC) Observatory, a wide field-of-view observatory capable of detecting gamma rays up to a few hundred TeV.…

High Energy Astrophysical Phenomena · Physics 2020-01-16 HAWC Collaboration , A. U. Abeysekara , A. Albert , R. Alfaro , J. R. Angeles Camacho , J. C. Arteaga-Velázquez , K. P. Arunbabu , D. Avila Rojas , H. A. Ayala Solares , V. Baghmanyan , E. Belmont-Moreno , S. Y. BenZvi , C. Brisbois , K. S. Caballero-Mora , T. Capistrán , A. Carramiñana , S. Casanova , U. Cotti , J. Cotzomi , S. Coutiño de León , E. De la Fuente , C. de León , S. Dichiara , B. L. Dingus , M. A. DuVernois , J. C. Díaz-Vélez , R. W. Ellsworth , K. Engel , C. Espinoza , H. Fleischhack , N. Fraija , A. Galván-Gámez , D. Garcia , J. A. García-González , F. Garfias , M. M. González , J. A. Goodman , J. P. Harding , S. Hernandez , J. Hinton , B. Hona , D. Huang , F. Hueyotl-Zahuantitla , P. Hüntemeyer , A. Iriarte , A. Jardin-Blicq , V. Joshi , S. Kaufmann , D. Kieda , A. Lara , W. H. Lee , H. León Vargas , J. T. Linnemann , A. L. Longinotti , G. Luis-Raya , J. Lundeen , R. López-Coto , K. Malone , S. S. Marinelli , O. Martinez , I. Martinez-Castellanos , J. Martínez-Castro , H. Martínez-Huerta , J. A. Matthews , P. Miranda-Romagnoli , J. A. Morales-Soto , E. Moreno , M. Mostafá , A. Nayerhoda , L. Nellen , M. Newbold , M. U. Nisa , R. Noriega-Papaqui , A. Peisker , E. G. Pérez-Pérez , J. Pretz , Z. Ren , C. D. Rho , C. Rivière , D. Rosa-González , M. Rosenberg , E. Ruiz-Velasco , F. Salesa Greus , A. Sandoval , M. Schneider , H. Schoorlemmer , G. Sinnis , A. J. Smith , R. W. Springer , P. Surajbali , E. Tabachnick , M. Tanner , O. Tibolla , K. Tollefson , I. Torres , R. Torres-Escobedo , L. Villaseñor , T. Weisgarber , J. Wood , T. Yapici , H. Zhang , H. Zhou

Study of the water Cherenkov detector with high dynamic range for LHAASO

The Large High-Altitude Air Shower Observatory (LHAASO) is being built at Haizi mountain, Sichuan, China at an altitude of 4410 m. One of its main goals is to survey the northern sky for very-high-energy (above 100 GeV) gamma ray sources…

Instrumentation and Detectors · Physics 2020-09-29 Kun Jiang , Zebo Tang , Xin Li , Cheng Li

All-particle cosmic ray energy spectrum measured by the HAWC experiment from 10 to 500 TeV

We report on the measurement of the all-particle cosmic ray energy spectrum with the High Altitude Water Cherenkov (HAWC) Observatory in the energy range 10 to 500 TeV. HAWC is a ground based air-shower array deployed on the slopes of…

High Energy Astrophysical Phenomena · Physics 2018-03-22 HAWC Collaboration , R. Alfaro , C. Alvarez , R. Arceo , J. C. Arteaga-Velázquez , D. Avila Rojas , H. A. Ayala Solares , A. S. Barber , A. Becerril , E. Belmont-Moreno , S. Y. BenZvi , C. Brisbois , K. S. Caballero-Mora , T. Capistrán , A. Carramiñana , S. Casanova , M. Castillo , U. Cotti , J. Cotzomi , S. Coutiño de León , C. De León , E. De la Fuente , R. Diaz Hernandez , S. Dichiara , B. L. Dingus , M. A. DuVernois , J. C. Díaz-Vélez , R. W. Ellsworth , O. Enriquez-Rivera , D. W. Fiorino , H. Fleischhack , N. Fraija , J. A. García-González , A. González Muñoz , M. M. González , J. A. Goodman , Z. Hampel-Arias , J. P. Harding , A. Hernandez-Almada , J. Hinton , F. Hueyotl-Zahuantitla , C. M. Hui , P. Huntemeyer , A. Iriarte , A. Jardin-Blicq , V. Joshi , S. Kaufmann , A. Lara , R. J. Lauer , D. Lennarz , H. León Vargas , J. T. Linnemann , A. L. Longinotti , G. Luis Raya , R. Luna-García , D. López-Cámara , R. López-Coto , K. Malone , S. S. Marinelli , O. Martinez , I. Martinez-Castellanos , J. Martínez-Castro , H. Martínez-Huerta , J. A. Matthews , P. Miranda-Romagnoli , E. Moreno , M. Mostafá , L. Nellen , M. Newbold , M. U. Nisa , R. Noriega-Papaqui , R. Pelayo , J. Pretz , E. G. Pérez-Pérez , Z. Ren , C. D. Rho , C. Rivière , D. Rosa-González , M. Rosenberg , E. Ruiz-Velasco , F. Salesa Greus , A. Sandoval , M. Schneider , H. Schoorlemmer , G. Sinnis , A. J. Smith , R. W. Springer , P. Surajbali , I. Taboada , O. Tibolla , K. Tollefson , I. Torres , T. N. Ukwatta , L. Villaseñor , T. Weisgarber , S. Westerhoff , J. Wood , T. Yapici , A. Zepeda , H. Zhou , J. D. Álvarez

Instrumenting a Lake as a Wide-Field Gamma-ray Detector

Ground-level particle detection has recently emerged as an extremely powerful approach to TeV-PeV gamma-ray astronomy. The most successful observatories of this type, HAWC and LHAASO, utilise water-Cherenkov based detector units, housed in…

Instrumentation and Methods for Astrophysics · Physics 2025-04-15 Hazal Goksu , Werner Hofmann , Felix Werner , Fabian Haist , Jim Hinton

Probing Cosmic-ray Propagation with TeV Gamma Rays from the Sun Using the HAWC Observatory

Cosmic rays in the inner solar system are subject to deflection by both the geomagnetic and interplanetary magnetic fields, and simultaneously interact with the Sun's photosphere resulting in the production of gamma rays. This phenomenon…

High Energy Astrophysical Phenomena · Physics 2017-08-15 Mehr Un Nisa

Limits on the Diffuse Gamma-Ray Background above 10 TeV with HAWC

The high-energy Diffuse Gamma-Ray Background (DGRB) is expected to be produced by unresolved isotropically distributed astrophysical objects, potentially including dark matter annihilation or decay emissions in galactic or extragalactic…

High Energy Astrophysical Phenomena · Physics 2022-09-20 HAWC Collaboration , A. Albert , R. Alfaro , C. Alvarez , J. C. Arteaga-Velázquez , D. Avila Rojas , H. A. Ayala Solares , R. Babu , E. Belmont-Moreno , C. Brisbois , K. S. Caballero-Mora , T. Capistrán , A. Carramiñana , S. Casanova , O. Chaparro-Amaro , U. Cotti , J. Cotzomi , S. Coutiño de León , E. De la Fuente , R. Diaz Hernandez , B. L. Dingus , M. A. DuVernois , M. Durocher , J. C. Díaz-Vélez , K. Engel , C. Espinoza , K. L. Fan , M. Fernández Alonso , N. Fraija , D. Garcia , J. A. García-González , F. Garfias , M. M. González , J. A. Goodman , J. P. Harding , S. Hernandez , J. Hinton , D. Huang , F. Hueyotl-Zahuantitla , P. Hüntemeyer , A. Iriarte , V. Joshi , S. Kaufmann , D. Kieda , A. Lara , W. H. Lee , H. León Vargas , J. T. Linnemann , A. L. Longinotti , G. Luis-Raya , K. Malone , O. Martinez , J. Martínez-Castro , J. A. Matthews , P. Miranda-Romagnoli , J. A. Morales-Soto , E. Moreno , M. Mostafá , A. Nayerhoda , L. Nellen , M. Newbold , M. U. Nisa , R. Noriega-Papaqui , N. Omodei , A. Peisker , Y. Pérez Araujo , E. G. Pérez-Pérez , C. D. Rho , D. Rosa-González , E. Ruiz-Velasco , H. Salazar , F. Salesa Greus , A. Sandoval , M. Schneider , J. Serna-Franco , A. J. Smith , Y. Son , R. W. Springer , O. Tibolla , K. Tollefson , I. Torres , R. Torres-Escobedo , R. Turner , F. Ureña-Mena , L. Villaseñor , X. Wang , E. Willox , H. Zhou , C. de León , J. D. Álvarez

Observation of the Galactic Center PeVatron Beyond 100 TeV with HAWC

We report an observation of ultra-high energy (UHE) gamma rays from the Galactic Center region, using seven years of data collected by the High-Altitude Water Cherenkov (HAWC) Observatory. The HAWC data are best described as a point-like…

High Energy Astrophysical Phenomena · Physics 2024-09-06 A. Albert , R. Alfaro , C. Alvarez , A. Andrés , J. C. Arteaga-Velázquez , D. Avila Rojas , H. A. Ayala Solares , R. Babu , E. Belmont-Moreno , A. Bernal , K. S. Caballero-Mora , T. Capistrán , A. Carramiñana , S. Casanova , U. Cotti , J. Cotzomi , S. Coutiño de León , E. De la Fuente , C. de León , D. Depaoli , N. Di Lalla , N. Di Lalla , R. Diaz Hernandez , B. L. Dingus , M. A. DuVernois , J. C. Díaz-Vélez , K. Engel , T. Ergin , C. Espinoza , K. L. Fan , K. Fang , N. Fraija , S. Fraija , J. A. García-González , F. Garfias , H. Goksu , M. M. González , J. A. Goodman , S. Groetsch , J. P. Harding , S. Hernández-Cadena , I. Herzog , J. Hinton , D. Huang , F. Hueyotl-Zahuantitla , T. B. Humensky , P. Hüntemeyer , A. Iriarte , S. Kaufmann , D. Kieda , A. Lara , W. H. Lee , J. Lee , H. León Vargas , J. T. Linnemann , A. L. Longinotti , G. Luis-Raya , K. Malone , O. Martinez , J. Martínez-Castro , J. A. Matthews , P. Miranda-Romagnoli , J. A. Montes , J. A. Morales-Soto , E. Moreno , M. Mostafá , M. Najafi , L. Nellen , M. Newbold , M. U. Nisa , R. Noriega-Papaqui , L. Olivera-Nieto , N. Omodei , M. Osorio-Archila , Y. Pérez Araujo , E. G. Pérez-Pérez , C. D. Rho , D. Rosa-González , E. Ruiz-Velasco , H. Salazar , D. Salazar-Gallegos , A. Sandoval , M. Schneider , G. Schwefer , J. Serna-Franco , A. J. Smith , Y. Son , R. W. Springer , O. Tibolla , K. Tollefson , I. Torres , R. Torres-Escobedo , R. Turner , F. Ureña-Mena , E. Varela , X. Wang , Z. Wang , I. J. Watson , E. Willox , H. Wu , S. Yu , S. Yun-Cárcamo , H. Zhou

Constraints on the Diffuse Gamma-Ray Background with HAWC

The Diffuse Gamma-Ray Background (DGB) above 100 GeV at high-latitudes is expected to be produced by unresolved extragalactic objects such as active galactic nuclei, isotropic Galactic gamma-rays, and possible emission from dark matter…

High Energy Astrophysical Phenomena · Physics 2019-09-02 J. Patrick Harding

Search for PeV Gamma-Ray Emission from the Southern Hemisphere with 5 Years of Data from the IceCube Observatory

The measurement of diffuse PeV gamma-ray emission from the Galactic plane would provide information about the energy spectrum and propagation of Galactic cosmic rays, and the detection of a point-like source of PeV gamma rays would be…

High Energy Astrophysical Phenomena · Physics 2020-03-03 M. G. Aartsen , M. Ackermann , J. Adams , J. A. Aguilar , M. Ahlers , M. Ahrens , C. Alispach , K. Andeen , T. Anderson , I. Ansseau , G. Anton , C. Argüelles , J. Auffenberg , S. Axani , P. Backes , H. Bagherpour , X. Bai , A. Balagopal V. , A. Barbano , S. W. Barwick , B. Bastian , V. Baum , S. Baur , R. Bay , J. J. Beatty , K. -H. Becker , J. Becker Tjus , S. BenZvi , D. Berley , E. Bernardini , D. Z. Besson , G. Binder , D. Bindig , E. Blaufuss , S. Blot , C. Bohm , M. Börner , S. Böser , O. Botner , J. Böttcher , E. Bourbeau , J. Bourbeau , F. Bradascio , J. Braun , S. Bron , J. Brostean-Kaiser , A. Burgman , J. Buscher , R. S. Busse , T. Carver , C. Chen , E. Cheung , D. Chirkin , S. Choi , K. Clark , L. Classen , A. Coleman , G. H. Collin , J. M. Conrad , P. Coppin , P. Correa , D. F. Cowen , R. Cross , P. Dave , C. De Clercq , J. J. DeLaunay , H. Dembinski , K. Deoskar , S. De Ridder , P. Desiati , K. D. de Vries , G. de Wasseige , M. de With , T. DeYoung , A. Diaz , J. C. Díaz-Vélez , H. Dujmovic , M. Dunkman , E. Dvorak , B. Eberhardt , T. Ehrhardt , P. Eller , R. Engel , P. A. Evenson , S. Fahey , A. R. Fazely , J. Felde , K. Filimonov , C. Finley , A. Franckowiak , E. Friedman , A. Fritz , T. K. Gaisser , J. Gallagher , E. Ganster , S. Garrappa , L. Gerhardt , K. Ghorbani , T. Glauch , T. Glüsenkamp , A. Goldschmidt , J. G. Gonzalez , D. Grant , Z. Griffith , S. Griswold , M. Günder , M. Gündüz , C. Haack , A. Hallgren , L. Halve , F. Halzen , K. Hanson , A. Haungs , D. Hebecker , D. Heereman , P. Heix , K. Helbing , R. Hellauer , F. Henningsen , S. Hickford , J. Hignight , G. C. Hill , K. D. Hoffman , R. Hoffmann , T. Hoinka , B. Hokanson-Fasig , K. Hoshina , F. Huang , M. Huber , T. Huber , K. Hultqvist , M. Hünnefeld , R. Hussain , S. In , N. Iovine , A. Ishihara , G. S. Japaridze , M. Jeong , K. Jero , B. J. P. Jones , F. Jonske , R. Joppe , D. Kang , W. Kang , A. Kappes , D. Kappesser , T. Karg , M. Karl , A. Karle , U. Katz , M. Kauer , J. L. Kelley , A. Kheirandish , J. Kim , T. Kintscher , J. Kiryluk , T. Kittler , S. R. Klein , R. Koirala , H. Kolanoski , L. Köpke , C. Kopper , S. Kopper , D. J. Koskinen , M. Kowalski , K. Krings , G. Krückl , N. Kulacz , N. Kurahashi , A. Kyriacou , M. Labare , J. L. Lanfranchi , M. J. Larson , F. Lauber , J. P. Lazar , K. Leonard , A. Leszczyńska , M. Leuermann , Q. R. Liu , E. Lohfink , C. J. Lozano Mariscal , L. Lu , F. Lucarelli , J. Lünemann , W. Luszczak , Y. Lyu , W. Y. Ma , J. Madsen , G. Maggi , K. B. M. Mahn , Y. Makino , P. Mallik , K. Mallot , S. Mancina , I. C. Mariş , R. Maruyama , K. Mase , R. Maunu , F. McNally , K. Meagher , M. Medici , A. Medina , M. Meier , S. Meighen-Berger , T. Menne , G. Merino , T. Meures , J. Micallef , D. Mockler , G. Momenté , T. Montaruli , R. W. Moore , R. Morse , M. Moulai , P. Muth , R. Nagai , U. Naumann , G. Neer , H. Niederhausen , S. C. Nowicki , D. R. Nygren , A. Obertacke Pollmann , M. Oehler , A. Olivas , A. O'Murchadha , E. O'Sullivan , T. Palczewski , H. Pandya , D. V. Pankova , N. Park , P. Peiffer , C. Pérez de los Heros , S. Philippen , D. Pieloth , E. Pinat , A. Pizzuto , M. Plum , A. Porcelli , P. B. Price , G. T. Przybylski , C. Raab , A. Raissi , M. Rameez , L. Rauch , K. Rawlins , I. C. Rea , R. Reimann , B. Relethford , M. Renschler , G. Renzi , E. Resconi , W. Rhode , M. Richman , S. Robertson , M. Rongen , C. Rott , T. Ruhe , D. Ryckbosch , D. Rysewyk , I. Safa , S. E. Sanchez Herrera , A. Sandrock , J. Sandroos , M. Santander , S. Sarkar , S. Sarkar , K. Satalecka , M. Schaufel , H. Schieler , P. Schlunder , T. Schmidt , A. Schneider , J. Schneider , F. G. Schröder , L. Schumacher , S. Sclafani , D. Seckel , S. Seunarine , S. Shefali , M. Silva , R. Snihur , J. Soedingrekso , D. Soldin , M. Song , G. M. Spiczak , C. Spiering , J. Stachurska , M. Stamatikos , T. Stanev , R. Stein , P. Steinmüller , J. Stettner , A. Steuer , T. Stezelberger , R. G. Stokstad , A. Stössl , N. L. Strotjohann , T. Stürwald , T. Stuttard , G. W. Sullivan , I. Taboada , F. Tenholt , S. Ter-Antonyan , A. Terliuk , S. Tilav , K. Tollefson , L. Tomankova , C. Tönnis , S. Toscano , D. Tosi , A. Trettin , M. Tselengidou , C. F. Tung , A. Turcati , R. Turcotte , C. F. Turley , B. Ty , E. Unger , M. A. Unland Elorrieta , M. Usner , J. Vandenbroucke , W. Van Driessche , D. van Eijk , N. van Eijndhoven , S. Vanheule , J. van Santen , M. Vraeghe , C. Walck , A. Wallace , M. Wallraff , N. Wandkowsky , T. B. Watson , C. Weaver , A. Weindl , M. J. Weiss , J. Weldert , C. Wendt , J. Werthebach , B. J. Whelan , N. Whitehorn , K. Wiebe , C. H. Wiebusch , L. Wille , D. R. Williams , L. Wills , M. Wolf , J. Wood , T. R. Wood , K. Woschnagg , G. Wrede , D. L. Xu , X. W. Xu , Y. Xu , J. P. Yanez , G. Yodh , S. Yoshida , T. Yuan , M. Zöcklein

TeV Observations of the Galactic Plane with HAWC and Joint Analysis of GeV Data from Fermi

A number of Galactic sources emit GeV-TeV gamma rays that are produced through leptonic and/or hadronic mechanisms. Spectral analysis in this energy range is crucial in order to understand the emission mechanisms. The HAWC Gamma-Ray…

High Energy Astrophysical Phenomena · Physics 2019-08-13 Hao Zhou , C. Michelle Hui , Petra Huentemeyer

Search for very-high-energy gamma-ray counterparts of gravitational waves with HAWC

The High-Altitude Water Cherenkov Observatory (HAWC) is a large field of view (~2 sr) continuously operating experiment sensitive to very-high energy (VHE) gamma rays (~0.3-100 TeV). These characteristics make it well suited for observing…

High Energy Astrophysical Phenomena · Physics 2019-08-20 Israel Martinez-Castellanos

Altitude Effect in Cherenkov Light Flashes of Low Energy Gamma-ray-induced Atmospheric Showers

At present the ground-based Very High Energy (VHE) gamma-ray astronomy is racing to complete construction of a number of modern gamma-ray detectors, i.e. CANGAROO III, MAGIC, H.E.S.S., and VERITAS. They should be fully operational in a…

Astrophysics · Physics 2009-11-10 A. Konopelko

Searching for TeV Gamma-ray Emission from Binary Systems with HAWC

Compact binary systems can provide us with unique information on astrophysical particle acceleration and cosmic ray production. However, only five binary systems have ever been observed in TeV $\gamma$ rays. The High Altitude Water…

High Energy Astrophysical Phenomena · Physics 2017-08-15 Chang Dong Rho

High Energy All Sky Transient Radiation Observatory

The scientific discoveries made by H.E.S.S. during its first year of operation encourage a reexamination of the open problems in high energy astrophysics and of the capabilities of the atmospheric Cherenkov technique, which could be…

Astrophysics · Physics 2007-05-23 V. Vassiliev , S. Fegan

HAWC Timing Calibration

The High-Altitude Water Cherenkov (HAWC) Experiment is a second-generation highsensitivity gamma-ray and cosmic-ray detector that builds on the experience and technology of the Milagro observatory. Like Milagro, HAWC utilizes the water…

Instrumentation and Methods for Astrophysics · Physics 2009-09-16 Petra Huentemeyer , John A. J. Matthews , Brenda Dingus

Operating Water Cherenkov Detectors in high altitude sites for the Large Aperture GRB Observatory

Water Cherenkov Detectors (WCD) are efficient detectors for detecting GRBs in the 10 GeV - 1 TeV energy range using the single particle technique, given their sensitivity to low energy secondary photons produced by high energy photons when…

High Energy Astrophysical Phenomena · Physics 2009-06-05 D. Allard , C. Alvarez , H. Asorey , H. Barros , X. Bertou , M. Castillo , J. M. Chirinos , A. De Castro , S. Flores , J. Gonzalez , M. Gomez Berisso , J. Grajales , C. Guada , W. R. Guevara Day , J. Ishitsuka , J. A. Lopez , O. Martinez , A. Melfo , E. Meza , P. Miranda Loza , E. Moreno Barbosa , C. Murrugarra , L. A. Nunez , L. J. Otiniano Ormachea , G. Perez , Y. Perez , E. Ponce , J. Quispe , C. Quintero , H. Rivera , M. Rosales , A. C. Rovero , O. Saavedra , H. Salazar , J. C. Tello , R. Ticona Peralda , E. Varela , A. Velarde , L. Villasenor , D. Wahl , M. A. Zamalloa

Search for Gamma-ray Spectral Lines from Dark Matter Annihilation in Dwarf Galaxies with the High-Altitude Water Cherenkov Observatory

Local dwarf spheroidal galaxies (dSphs) are nearby dark-matter dominated systems, making them excellent targets for searching for gamma rays from particle dark matter interactions. If dark matter annihilates or decays directly into two…

High Energy Astrophysical Phenomena · Physics 2020-05-06 The HAWC Collaboration

X-ray/gamma-ray flux correlations in the BL Lacs Mrk 421 and 501 using HAWC data

The HAWC gamma ray observatory is located at the Sierra Negra Volcano in Puebla, Mexico, at an altitude of 4,100 meters. HAWC is a wide field of view array of 300 water Cherenkov detectors that are continuously surveying ~ 2sr of the sky,…

High Energy Astrophysical Phenomena · Physics 2019-08-14 J. A. García-González , María Magdalena González , Nissim Fraija